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Epinephrine

Phase 4FDA approved

Anaphylaxis Food | Small molecule | Immunology |Nasus Pharma Ltd.|Trials Updated: Jul 1, 2025

Epinephrine development status

FDA approval on record May 30, 2003
Approval holderImpax
ApplicationNDA020800
Highest phase Phase 4 run by Unity Health Toronto (NCT03826524)
Phase scored for NSRXPhase 2
Registered trials 11 across 10 sponsors since Apr 2009

Label indication Epinephrine injection is indicated in the emergency treatment of allergic reactions (Type I) including anaphylaxis to stinging insects (e.g., order Hymenoptera, which includes bees, wasps, hornets, yellow jackets and fire ants), and biting insects (e.g., triatoma, mosquitoes), allergen immunotherapy, foods, drugs, diagnostic testing substances (e.g., radiocontrast media), and other allergens, as well as idiopathic…

Epinephrine target and mechanism

Molecular targetADRA1A, ADRA2A, ADRB1, ADRB2, ADRA2C, ADRA1D
Target classAgonist
ModalitySmall molecule
ChEMBLCHEMBL679

Also known as Epinephrine autoinjector single dose

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment30

FDA Designations

No designations recorded

Epinephrine clinical trials

Epinephrine · 1 trial · 1 indication

Phase 2 1
NCT07045701FMXIN002 in Patients at Risk of AnaphylaxisAnaphylaxis Food
ENROLLING BY_INVITATION30 Analytics
PHASE2ENROLLING BY_INVITATION
FMXIN002 in Patients at Risk of Anaphylaxis
Anaphylaxis FoodUnlock trial analytics

Study Endpoints

Primary Endpoints

Skin system anaphylaxis symptoms
0-90 minutes after drug administration

Severity grading system for acute allergic reactions. Skin system, severity score 0 (=no reaction) to 5(= severe reaction), based on the Delphi study, 2021

Mucosal system anaphylaxis symptoms
0-90 minutes after drug administration

Severity grading system for acute allergic reactions, mucosal system, severity score 0 (=no reaction) to 5(= severe reaction), based on the Delphi study, 2021

Gastrointestinal system anaphylaxis symptoms
0-90 minutes after drug administration

Severity grading system for acute allergic reactions, gastrointestinal system, severity score 0 (=no reaction) to 5(= severe reaction), based on the Delphi study, 2021.

Respiratory system anaphylaxis symptoms
0-90 minutes after drug administration

Severity grading system for acute allergic reactions, respiratory system, severity score 0 (=no reaction) to 5(= severe reaction), based on the Delphi study, 2021.

Total anaphylaxis severity score
0-90 minutes after drug administration

Severity grading system for acute allergic reactions, Combined systems, anaphylaxis score 0 (=no reaction) to 5(= severe reaction), based on the Delphi study, 2021.

Vital signs: Blood pressure
0-90 minutes after drug administration

Systolic and diastolic blood pressure by a blood pressure cuff

Vital signs: pulse rate
0-90 minutes after drug administration

heart rate by pulse rate measurement

Vital signs: oxygen saturation
0-90 minutes after drug administration

% oxygen saturation measurement using oxygen monitor

Secondary Endpoints

Need for a second epinephrine dose
0-90 minutes after drug administration
Adverse events
0-90 minutes after drug administration
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
FMXIN002 4mg + saline IMEXPERIMENTALEpinephrine powder nasal spray together with a placebo IM injection
Adrenaline 0.5mg IM + placebo nasal sprayACTIVE_COMPARATOREpinephrine IM injection together with a placebo nasal spray

Interventions

NameTypeDescription
Epinephrine 4mg nasal powder sprayCOMBINATION_PRODUCTEpinephrine nasal powder spray in a unidose nasal applicator device. Will be administered together with a placebo saline IM injection
Adrenalin 0.5mg Injectable ProductCOMBINATION_PRODUCTEpinephrine 0.5mg for IM injection. Will be administered together with a placebo nasal powder spray.
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Eligibility Criteria

Age Range18 Years to 40 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Age 18-40 years, any gender * Documented or suspected food allergy (based on IgE level or clinical history) * Development of Grade II or III reaction during OFC Exclusion Criteria: * Age \<18 or \>40 * Poorly controlled asthma (FEV1 \< 80% or frequent symptoms) * Active eosi...

Countries:Israel
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Frequently asked questions about Epinephrine

What is Epinephrine used for in anaphylaxis?

Epinephrine is used to treat anaphylaxis, a severe and potentially life-threatening allergic reaction. Nasus Pharma Ltd. is developing a nasal powder formulation for patients at risk of anaphylaxis triggered by food. This investigational product is in Phase 2 clinical development.

What does Epinephrine target?

Epinephrine targets the alpha-1A, alpha-2A, alpha-2C, alpha-1D, beta-1, and beta-2 adrenergic receptors (ADRA1A, ADRA2A, ADRA2C, ADRA1D, ADRB1, ADRB2). It acts as an agonist at these receptors, which are part of the adrenergic receptor family.

Who is developing Epinephrine?

Nasus Pharma Ltd. is developing Epinephrine. The company trades under the ticker symbol NSRX. Nasus Pharma is focused on developing a nasal powder spray formulation of epinephrine for anaphylaxis.

What phase is Epinephrine in?

Epinephrine is in Phase 2 clinical development. It is an investigational product and has not been approved by the FDA for the indications being studied. The Phase 2 trial is currently enrolling by invitation.

What clinical trials is Epinephrine in?

Epinephrine is being studied in a Phase 2 clinical trial, NCT07045701, titled FMXIN002 in Patients at Risk of Anaphylaxis. The trial is enrolling 30 adult patients with food-triggered anaphylaxis in Israel. It is randomized, double-blind, and active-controlled.